feat: add poc

src/systems/PlayerControllerSystem.js

@@ -0,0 +1,69 @@
+import { System } from '../core/System.js';
+
+export class PlayerControllerSystem extends System {
+  constructor() {
+    super('PlayerControllerSystem');
+    this.requiredComponents = ['Position', 'Velocity'];
+    this.priority = 5;
+    this.playerEntity = null;
+  }
+
+  process(deltaTime, entities) {
+    // Find player entity (first entity with player tag or specific component)
+    if (!this.playerEntity) {
+      this.playerEntity = entities.find(e => e.hasComponent('Evolution'));
+    }
+
+    if (!this.playerEntity) return;
+
+    const inputSystem = this.engine.systems.find(s => s.name === 'InputSystem');
+    if (!inputSystem) return;
+
+    const velocity = this.playerEntity.getComponent('Velocity');
+    const position = this.playerEntity.getComponent('Position');
+    if (!velocity || !position) return;
+
+    // Movement input
+    let moveX = 0;
+    let moveY = 0;
+    const moveSpeed = 200;
+
+    if (inputSystem.isKeyPressed('w') || inputSystem.isKeyPressed('arrowup')) {
+      moveY -= 1;
+    }
+    if (inputSystem.isKeyPressed('s') || inputSystem.isKeyPressed('arrowdown')) {
+      moveY += 1;
+    }
+    if (inputSystem.isKeyPressed('a') || inputSystem.isKeyPressed('arrowleft')) {
+      moveX -= 1;
+    }
+    if (inputSystem.isKeyPressed('d') || inputSystem.isKeyPressed('arrowright')) {
+      moveX += 1;
+    }
+
+    // Normalize diagonal movement
+    if (moveX !== 0 && moveY !== 0) {
+      moveX *= 0.707;
+      moveY *= 0.707;
+    }
+
+    // Apply movement
+    velocity.vx = moveX * moveSpeed;
+    velocity.vy = moveY * moveSpeed;
+
+    // Face mouse or movement direction
+    const mouse = inputSystem.getMousePosition();
+    const dx = mouse.x - position.x;
+    const dy = mouse.y - position.y;
+    if (Math.abs(dx) > 0.1 || Math.abs(dy) > 0.1) {
+      position.rotation = Math.atan2(dy, dx);
+    } else if (moveX !== 0 || moveY !== 0) {
+      position.rotation = Math.atan2(moveY, moveX);
+    }
+  }
+
+  getPlayerEntity() {
+    return this.playerEntity;
+  }
+}
+